3997097561179 has 16 divisors (see below), whose sum is σ = 4152482228160. Its totient is φ = 3844475712000.

The previous prime is 3997097561129. The next prime is 3997097561239. The reversal of 3997097561179 is 9711657907993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997097561179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997097561129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104395519 + ... + 104433799.

It is an arithmetic number, because the mean of its divisors is an integer number (259530139260).

Almost surely, 2^{3997097561179} is an apocalyptic number.

3997097561179 is a deficient number, since it is larger than the sum of its proper divisors (155384666981).

3997097561179 is a wasteful number, since it uses less digits than its factorization.

3997097561179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74262.

The product of its (nonzero) digits is 202538070, while the sum is 73.

The spelling of 3997097561179 in words is "three trillion, nine hundred ninety-seven billion, ninety-seven million, five hundred sixty-one thousand, one hundred seventy-nine".